SAN FRANCISCO TEPEYACAC, Mexico (AP) — One family in central Mexico is struggling to preserve the production of cochineal dye, an intense, natural red pigment so prized that, after gold and silver, it ...
THE commercial value of the insects from which cochineal, lac, and Japanese white wax are obtained were briefly referred to, by Dr. L. O. Howard, in the course of a short paper on a useful American ...
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